On Tuesday, a civil action was filed by Columbia University’s Knight First Amendment Institute and seven blocked Twitter users, asserting that President Trump and his staff are violating the First Amendment by blocking users on Twitter based on their viewpoints.

The Supreme Court's decision to vacate and remand the cross-border shooting case to the Fifth Circuit avoided the Fourth Amendment question at issue and focused instead on the availability of a Bivens remedy.

The Department of Justice has released the Office of Legal Counsel memo assessing the legality of President Trump's executive order banning entry into the United States by refugees and immigrants from seven majority-Muslim countries.

Acting Attorney General Sally Yates has announced in a letter to Department of Justice staff that the Department will not be enforcing President Trump's executive order excluding immigrants and refugees from Iran, Iraq, Libya, Somalia, Sudan, Syria, and Yemen from the United States.

A roundup of the documents in ongoing litigation related to Trump's executive order banning entry into the United States by immigrants and refugees from Iran, Iraq, Libya, Somalia, Sudan, Syria, and Yemen is facing legal challenges in a number of federal jurisdictions.

A summary of Donald Trump's executive order instituting a suspension of entry to the U.S. and issuances of visas for people from Iran, Iraq, Libya, Somalia, Sudan, Syria, and Yemen (earlier designated as “areas of concern” under the 2016 Consolidated Appropriations Act).

Two Iraqi refugees detained at JFK International Airport have filed a habeas petition challenging President Trump's executive order restricting refugee and immigrant entry into the United States as unconstitutional in the U.S. District Court for the Eastern District of New York.

My recent post on the top-side briefing in Hernandez v. Mesa, the Fourth Amendment cross-border shooting case pending at the Supreme Court, struck a nerve with my friend Steve Vladeck, who is one of the able attorneys representing the parents of the deceased teenager Hernandez.